======================== unified (from filesystem) ========================
                                         'bitrate'  '214.766'
                                        'duration'  '426'
                                          'artist'  'Pell Mell'
                                     'text_people'  ''
                                         'release'  'Progsoup 31'
                                           'title'  'Friend'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive rock', 'krautrock', 'instrumental', 'symphonic prog', "
 "'post-rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '145.476'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ua«\x9e»\x9e\x8d@\x95Ç0í\x05ë¦\x05'  PRIV(owner='WM/WMCollectionGroupID', data=b'Ua\xab\x9e\xbb\x9e\x8d@\x95\xc70\xed\x05\xeb\xa6\x05')
'PRIV:WM/WMCollectionID:Ua«\x9e»\x9e\x8d@\x95Ç0í\x05ë¦\x05'  PRIV(owner='WM/WMCollectionID', data=b'Ua\xab\x9e\xbb\x9e\x8d@\x95\xc70\xed\x05\xeb\xa6\x05')
'PRIV:WM/WMContentID:\x04|n\x82Ì\x9b\x8aO\x908\x08\xad\x8fØ\xa0b'  PRIV(owner='WM/WMContentID', data=b'\x04|n\x82\xcc\x9b\x8aO\x908\x08\xad\x8f\xd8\xa0b')
'PRIV:http://www.cdtag.com:\x02\x00Ö?¹\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xd6?\xb9\x00')
'TALB' (Album/Movie/Show title)                     'Progsoup 31'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Friend'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Pell Mell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '5/6'
'TPUB' (Publisher)                                  'SPV'
'TRCK' (Track number/Position in set)               '13'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97 / -V2 --vbr-new'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2008-12-10'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       '6xCDDA'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'krautrock', 'instrumental', 'symphonic prog', 'post-rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.345450'

========================== row from database ==========================
                                              'id'  1411714
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 31 (krautsoup)/1778 pell_mell-friend.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  426
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  11443316
                                           'mtime'  1620737137
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (krautsoup) 1778 pell_mell friend rock cppex progressive;set pl progspace
                                      'tag_artist'  Pell Mell
                                     'tag_release'  Progsoup 31
                                       'tag_title'  Friend
                                             'bpm'  145.476
                                    'search_title'  'friend':1
                                   'search_artist'  'mell':2 'pell':1
                                  'search_release'  '31':2 'progsoup':1
                                     'search_rest'  '1778':5 'classicprogpsy':1 'cppex':10 'friend':8 'krautsoup':3,4 'mell':7 'pell':6 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14
                                    'search_combo'  '1778':10 '31':5C 'classicprogpsy':6 'cppex':15 'friend':1A,13 'krautsoup':8,9 'mell':3B,12 'pell':2B,11 'pl':20 'progressive':16,18 'progsoup':4C,7 'progspace':21 'rock':14 'set':17,19
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'krautrock', 'instrumental', 'symphonic prog', 'post-rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737136.5539508  (2021-05-11 14:45:36)
                             'size'  11443316